Reset
Showing 20 of 296 academic articles

Magnetic Reconnection–driven Energization of Protons up to ∼400 keV at the Near-Sun Heliospheric Current Sheet

M. I. Desai, J. F. Drake, T. Phan, Z. Yin et al. • The Astrophysical Journal Letters (2025)

We report observations of direct evidence of energetic protons being accelerated above ∼400 keV within the reconnection exhaust of a heliospheric current sheet (HCS) crossing by NASA’s Parker Solar Probe (PSP) at a distance of ∼16.25 solar ...

DOAJ Open Access (DOAJ) DOI: 10.3847/2041-8213/ada697

Sustainable clove-derived nitrogen-doped carbon dots with programmable multimodal fluorescence for metal ion and fluoride sensing

Mallika Phull, Mandeep Kaur, Yashika Singla, Urvashi Singh et al. • RSC Advances (2026)

The development of sustainable fluorescent nanomaterials from renewable biomass represents a promising strategy for environmentally benign chemical sensing. In this work, nitrogen-doped carbon dots (N-CDs) were synthesized from clove biomas...

DOAJ Open Access (DOAJ) DOI: 10.1039/d6ra05591e

Laser-induced porous graphene electrodes from polyketimine membranes for paracetamol sensing

Sabrine Baachaoui, Walid Mabrouk, Khaled Charradi, Bechir Slimi et al. • Royal Society Open Science (2023)

The development of cost-effective materials for fabricating electrodes is crucial for drug, pharmaceutical and environmental applications. This paper presents the synthesis and characterization of a novel polyketimine (PKI) membrane obtaine...

DOAJ Open Access (DOAJ) DOI: 10.1098/rsos.230294

Photoresponsive Biomimetic Soft Robots Enabled by Near‐Infrared‐Driven and Ultrarobust Sandwich‐Structured Nanocomposite Films

Yi Yu, Ran Peng, Zihe Chen, Li Yu et al. • Advanced Intelligent Systems (2021)

Soft robots, intelligent structures built up of smart soft materials, are capable of being programmed to perform delicate work. Recently, plenty of biomimetic soft robots with functionalities of grasping, sensing, searching, and transportin...

DOAJ Open Access (DOAJ) DOI: 10.1002/aisy.202100012

Solid-State Materials for Opto-Spintronics: Focus on Ferromagnets and 2D Materials

Ana-Maria Florea (Raduta), Stefan Caramizoiu, Ana-Maria Iordache, Stefan-Marian Iordache et al. • Solids (2025)

Opto-spintronics is an emerging field that focuses on harnessing light to manipulate and analyze electron spins to develop next-generation electronic devices. This paper explores recent progress and the role of solid-state materials in opto...

DOAJ Open Access (DOAJ) DOI: 10.3390/solids6020025

Toll-like receptor 2 coordinates induction of IL-22 in lung macrophages following organic dust-induced inflammation

Emmanuel O. Oyewole, Emmanuel O. Oyewole, Emmanuel O. Oyewole, Pinaki Mondal et al. • Frontiers in Physiology (2026)

IntroductionOrganic dust exposures, particularly in occupational settings, induce airway inflammation and contribute to the development and progression of chronic lung disease and impaired tissue regeneration. Interleukin-22 (IL-22) is a pl...

DOAJ Open Access (DOAJ) DOI: 10.3389/fphys.2026.1880821

Design Considerations for a Distributed Low-Cost Air Quality Sensing System for Urban Environments in Low-Resource Settings

Engineer Bainomugisha, Joel Ssematimba, Deo Okure • Atmosphere (2023)

With rapid urbanization, hazardous environmental exposures such as air, noise, plastic, soil and water pollution have emerged as a major threat to urban health. Recent studies show that 9 out of 10 people worldwide breathe contaminated air ...

DOAJ Open Access (DOAJ) DOI: 10.3390/atmos14020354

Three-Dimensional Physical and Optical Characteristics of Aerosols over Central China from Long-Term CALIPSO and HYSPLIT Data

Xin Lu, Feiyue Mao, Zengxin Pan, Wei Gong et al. • Remote Sensing (2018)

Aerosols greatly influence global and regional atmospheric systems, and human life. However, a comprehensive understanding of the source regions and three-dimensional (3D) characteristics of aerosol transport over central China is yet to be...

DOAJ Open Access (DOAJ) DOI: 10.3390/rs10020314

Prior Season Crop Type Masks for Winter Wheat Yield Forecasting: A US Case Study

Inbal Becker-Reshef, Belen Franch, Brian Barker, Emilie Murphy et al. • Remote Sensing (2018)

Monitoring and forecasting crop yields is a critical component of understanding and better addressing global food security challenges. Detailed spatial information on crop-type distribution is fundamental for in-season crop condition monito...

DOAJ Open Access (DOAJ) DOI: 10.3390/rs10101659

A Novel Slow-Growing Gross Error Detection Method for GNSS/Accelerometer Integrated Deformation Monitoring Based on State Domain Consistency Theory

Ao Sun, Qiuzhao Zhang, Zhangjun Yu, Xiaolin Meng et al. • Remote Sensing (2022)

The accuracy and integrity of structural deformation monitoring can be improved by the GNSS/accelerometer integrated system, and gross error detection is the key to further improving the reliability of GNSS/accelerometer monitoring. Traditi...

DOAJ Open Access (DOAJ) DOI: 10.3390/rs14194758

Change Detection for Hyperspectral Images Via Convolutional Sparse Analysis and Temporal Spectral Unmixing

Qingle Guo, Junping Zhang, Chongxiao Zhong, Ye Zhang • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2021)

With the increase in the availability of multitemporal hyperspectral images (HSIs), HSIs change detection (CD) methods, including pixel-level and subpixel-level based methods, have attracted great attention in recent years. However, the wid...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2021.3074538

An Unsupervised and End-to-End Registration Method Using Offset Field and Pseudodata for Video SAR Images

Hui Fang, Guisheng Liao, Yongjun Liu, Cao Zeng et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2024)

Video synthetic aperture radar (video SAR) has been successfully applied in many fields and the registration of the video SAR images has been proven to be a crucial step in their preprocessing. However, video SAR images exhibit more severe ...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2024.3465835

Small Object Detection Algorithm Based on Improved YOLOv8 for Remote Sensing

Hao Yi, Bo Liu, Bin Zhao, Enhai Liu • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2024)

Due to the limitations of small targets in remote sensing images, such as background noise, poor information, and so on, the results of commonly used detection algorithms in small target detection is not satisfactory. To improve the accurac...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2023.3339235

Improving the Transferability of Suspended Solid Estimation in Wetland and Deltaic Waters with an Empirical Hyperspectral Approach

Daniel Jensen, Marc Simard, Kyle Cavanaugh, Yongwei Sheng et al. • Remote Sensing (2019)

The deposition of suspended sediment is an important process that helps wetlands accrete surface material and maintain elevation in the face of sea level rise. Optical remote sensing is often employed to map total suspended solids (TSS), th...

DOAJ Open Access (DOAJ) DOI: 10.3390/rs11131629

An Interference Sensing Algorithm Based on Duration Units of Frequency Points for Adaptive Frequency-Hopping System

Duo Wang, Ju Wang, Yi Zhong • IEEE Access (2023)

The adaptive Frequency-Hopping(FH) technique based on interference sensing can further enhance the anti-interference performance of hybrid Direct-Sequence/FH Spread Spectrum(DS/FH SS) system and FH Orthogonal Frequency Division Multiplexing...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2023.3325252

MAINSTREAMING METADATA INTO RESEARCH WORKFLOWS TO ADVANCE REPRODUCIBILITY AND OPEN GEOGRAPHIC INFORMATION SCIENCE

J. Holler, P. Kedron • The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences (2022)

Reproducible open science with FAIR data sharing principles requires research to be disseminated with open data and standardised metadata. Researchers in the geographic sciences may benefit from authoring and maintaining metadata from the e...

DOAJ Open Access (DOAJ) DOI: 10.5194/isprs-archives-XLVIII-4-W1-2022-201-2022